z = list(input())
for i in range(len(z)) :
    if i % 2 == 0 :
        if z[i] != 'z' :
            z[i] = 'z'
        else :
            z[i] = 'y'
    else :
        if z[i] == 'a' :
            z[i] = 'b'
        else :
            z[i] = 'a'
print(''.join(z))
